Element button pseudo-element :after generated with margin 0px line-height 1 box-sizing content-box border-radius width 160px position static display block font-size 16px height auto z-index auto border 0px rgba(0,0,0,1) solid cursor default transition overflow hidden transform box-shadow 1px 1px 1px rgba(0,0,0,0.3) text-shadow 1px 1px 1px rgba(0,0,0,0.2) background font-weight normal float none padding 20px